F24H 1/107
Using fluid fuel
Official title: {using fluid fuel}
F24H1/107 (Using fluid fuel) appears on 108 US grants and 92 published applications in this corpus.
Search patents in F24H- Granted patents
- 108
- Published applications
- 92
- Assignees
- 67
- Inventors
- 239
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 6 |
| 2015 | 2 | 5 |
| 2016 | 1 | 6 |
| 2017 | 7 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 4 |
| 2020 | 2 | 10 |
| 2021 | 5 | 14 |
| 2022 | 13 | 9 |
| 2023 | 5 | 6 |
| 2024 | 4 | 9 |
| 2025 | 4 | 12 |
| 2026 | 7 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric fluid heater22 Sep 2026US 12,742,569 B2Digital Heat Ltd.
- Apparatus and method for microwave heating of fluids1 Sep 2026US 12,727,062 B21863815 Ontario Limited
- Water tank assembly for heating device, and heating device25 Aug 2026US 12,716,614 B2Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Boiler and method for stage change control thereof26 May 2026US 12,638,192 B2Kyungdong Navien Co., Ltd.
- Combustion device and water heater21 Apr 2026US 12,607,353 B2Paloma Co., Ltd.
- Connected pool and spa heater system4 Dec 2025US 2025/0369245 A1Pentair Water Pool and Spa, Inc.
- Heat pump and burner combination water heating systems and methods for providing instantaneous and constant hot water27 Nov 2025US 2025/0362058 A1Rheem Manufacturing Company
- Hot water apparatus9 Oct 2025US 2025/0314395 A1Noritz Corporation
- Heating device, heating apparatus and apparatus for providing a flow of gaseous hydrogen18 Sep 2025US 2025/0290665 A1ROLLS-ROYCE plc
- Water Heating System28 Aug 2025US 2025/0271174 A1Rinnai America Corporation
Most cited
By later US patents
- Sludge treatment system using two-stage heat recovery submerged combustion102US 6,293,277 B1Inproheat Industries Ltd. · 2001
- Method and apparatus for minimizing turbulence in a submerged combustion system99US 5,636,623 AInproheat Industries Ltd. · 1997
- Two-stage heat recovery for submerged combustion heating system76US 6,338,337 B12002
- Apparatus for cooling combustion chamber in a submerged combustion heating system73US 5,615,668 AInproheat Industires Ltd. · 1997
- Condensing furnace with submerged combustion69US 5,097,802 ARaytheon Company · 1992